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A Word from the Editor
October 2000 by Scott Harn
You may recall seeing the Treasure Hawk Mine cleanup project featured in the August 2000 issue of ICMJ...Ask the Experts: Who manufactures the diagonal vibrating table?
Q: Who manufactures the diagonal vibrating table?
Fault Zones and Prospects
As we walked back we were just reaching the point of where the faulting should be and there, covered with deep grass, was very faint evidence of an old road going up the mountainside! What was that old road doing there?
Ask The Experts — How have fellow dredgers modified their dredges in order to retain fine gold?
Q: In the article by David Knowlen, “There’s Still Gold in the Umpqua River,” January 2008, the author stated that “most conventional dredges with normal angles of sluice setup do not retain this gold.”...
Principles of Designing Your Mill Production System, Part I: Starting Up
One of the issues that prospectors run into when working to upscale from micro-scale hard rock testing to a greater production output, is that they often confuse individual devices or machines with systems.
Picks & Pans: Diamond Hunting in Wyoming
Rod Griffin and I have spent most of our free time looking for the hard-to-find diamonds, and have found ourselves involved with wildlife, obstacles, bad roads, streams, bogs, bulls—you name it.
The Forgotten Specimen—Part II
The walk back to the car and subsequent search for Frieda took a lot longer than I would have liked. I had wandered much further than I thought.
Prospecting for Silver Deposits
In some ways, silver is the forgotten precious metal because it straddles both the world of precious metals and jewelry, while having many important industrial applications like a base metal. The price of silver reflects both the precious metal investment demand as well as the industrial demand.
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The Bawl Mill
• Under the Guise of Environmental Protection—EPA Revealed
• The Centennial Lode and the Centennial Ridge District, Wyoming
• Company Notes
• Picks & Pans—In Search of Nome Creek Gold
• Massive Sulfide Deposits in Oregon
• Recreational Dredging on the South Yuba River
• The Trapiches of Chile
• Tales of Liberty Gold
• Drywashing Alluvial Placers
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
